fw_env.h
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/*
* (C) Copyright 2002-2008
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/* Pull in the current config to define the default environment */
#ifndef __ASSEMBLY__
#define __ASSEMBLY__ /* get only #defines from config.h */
#include <config.h>
#undef __ASSEMBLY__
#else
#include <config.h>
#endif
/*
* To build the utility with the static configuration
* comment out the next line.
* See included "fw_env.config" sample file
* for notes on configuration.
*/
#define CONFIG_FILE "/etc/fw_env.config"
#ifndef CONFIG_FILE
#define HAVE_REDUND /* For systems with 2 env sectors */
#define DEVICE1_NAME "/dev/mtd1"
#define DEVICE2_NAME "/dev/mtd2"
#define DEVICE1_OFFSET 0x0000
#define ENV1_SIZE 0x4000
#define DEVICE1_ESIZE 0x4000
#define DEVICE1_ENVSECTORS 2
#define DEVICE2_OFFSET 0x0000
#define ENV2_SIZE 0x4000
#define DEVICE2_ESIZE 0x4000
#define DEVICE2_ENVSECTORS 2
#endif
#ifndef CONFIG_BAUDRATE
#define CONFIG_BAUDRATE 115200
#endif
#ifndef CONFIG_BOOTDELAY
#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#endif
#ifndef CONFIG_BOOTCOMMAND
#define CONFIG_BOOTCOMMAND \
"bootp; " \
"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} " \
"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
"bootm"
#endif
extern int fw_printenv(int argc, char *argv[]);
extern char *fw_getenv (char *name);
extern int fw_setenv (int argc, char *argv[]);
extern int fw_parse_script(char *fname);
extern int fw_env_open(void);
extern int fw_env_write(char *name, char *value);
extern int fw_env_close(void);
extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned);